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Llana [10]
3 years ago
6

Use slope-intercept form, y = mx + b, to find the value for the y-intercept (b) of a line that has a slope of 6 and passes throu

gh the point (3, –5).
b = (dropdown) –23, –14, 21, 33

What is the new equation written in slope-intercept form?
(dropdown) y = 6x – 23, y = 6x – 14, y = 6x + 21, y = 6x + 33
Mathematics
1 answer:
stiks02 [169]3 years ago
7 0

Answer:

-23, y=6x-23

Step-by-step explanation:

We need slope intercept form but do not have the needed information. We will gather this information by using point slope form. The point-slope formula is y -y_{1} =m(x -x_{1}) where we substitute a point (x,y) for (x_{1},y_{1}).  

We have slope represented as m=6 and (3, -5). We input m and x_{1} =3\\y_{1}=-5.

y-(-5)=6(x-3)\\y+5=6(x-3)

We now simplify the parenthesis and solve for y to have slope intercept form.

y+5=6(x-3)\\y+5=6x-18\\y+5-5=6x-18-5\\y=6x-23

The y-intercept is b of slope intercept form y=mx+b. Here b=-23.

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What is 1+12x-40 evaluated
vlada-n [284]

Answer:

12x-39

Step-by-step explanation:

40-1=39

7 0
3 years ago
Read 2 more answers
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula?
dmitriy555 [2]
A. 2x^2 - 3x + 10 = 2x + 21
2x^2 - 3x - 2x + 10 - 21 = 0
2x^2 - 5x - 11 = 0                              (quadratic equation)

2x^2 - 6x - 7 = 2x^2
2x^2 - 2x^2 - 6x - 7 = 0
-6x - 7 = 0                                          (not a quadratic equation)

5x^2 + 2x - 4 = 2x^2
5x^2 - 2x^2 + 2x - 4 = 0
3x^2 + 2x - 4                                      (quadratic equation)

5x^3 - 3x + 10 = 2x^2
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Therefore, options a and c can be solved using the quadratic formula.
3 0
3 years ago
Suppose y varies inversely with x, and y = 32 when x = 4. What is the value of y when x = 8?
bulgar [2K]

Answer:

16

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

x=4 and y = 32

4*32 = k

128 = k

xy = 128

Let x = 8

8y = 128

Divide each side by 8

8y/8 = 128/8

y =16

6 0
3 years ago
Select the correct answer
Rama09 [41]

Answer:

option c

Step-by-step explanation:

6 0
3 years ago
the cost y (in dollars) for x pounds of deli meat is represented by the equation y=3.5x, graph the equation
wel

Answer:

I don't have the graph, but I'll explain what you need to do. Plot a point with the coordinates (1,3.5), (2,7), (3,10.5), and (4,14). Now draw a straight line connecting al these pints but don't go past the origin into the negative as in this situation it is not possible. There! Now you have a graph :)

8 0
3 years ago
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